An organic electro-luminescence device includes a drive unit having first to fourth transistors and a capacitor, and an organic light emitting diode (OLED) controlled by the drive unit, wherein the first transistor has its gate, drain and source connected to a first node, a second node and a power voltage supply line, respectively; the second transistor has its drain and source connected to the OLED and the second node, respectively; the third transistor has its gate, drain and source connected to a first select signal line, the second node and the first node, respectively; the fourth transistor has its gate, drain and source connected to the first select signal line, a data line, and the second node, respectively; and the capacitor is connected to the first node and a predetermined signal line.